Wissen Techus is one amongst the leading scientific equipment manufacturer, exporter, trader and supplier across the world. Wissen Techus provide a variety of science laboratory equipment. Our laboratory equipment and instrument kits are designed according to the customers satisfaction with advance technology. Wissen techus private limited provides a wide range of environmental engineering types of equipment. Aeration unit is used to study the biological oxygen demand of water under various conditions. Water aeration is necessary for water bodies that have the anoxic condition. This condition arises because of sewage discharges, agricultural run-off, or over-baiting a fishing lake. With this equipment, the student can learn the effect of various parameters on oxygen saturation. Features: Diaphragm type pump. Tank capacity 25L Flowmeter range 1-12 L/min Easy to assemble or disassemble. Easy to install/clean. Equipment finishing by PU paint.